Physics · Soil Mechanics
For the piping phenomenon to occur in a soil mass, the most critical condition to be satisfied is that the:
- 1Hydraulic gradient is nearly unity✓
- 2Specific gravity of soil solids is more than 2.8
- 3Void ratio is greater than 2.0
- 4Soil is highly fine-grained
Correct answer
Hydraulic gradient is nearly unity
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